Improvement Efforts for Student Learning Outcomes and Motivation using Edmodo during the COVID-19 Pandemic. International Journal of Education in Mathematics, Science and Technology, [S. l.], v. 9, n. 4, p. 614–624, 2021. DOI: 10.46328/ijemst.1974. Disponível em: https://ijemst.com/index.php/ijemst/article/view/499. Acesso em: 23 jul. 2025.